
Metabo HPT NV45AB2
Score: 88/100
Dotool CN45C
Score: 72/100Rankings

The Metabo HPT NV45AB2 is a lightweight pneumatic coil roofing nailer designed for high-speed nailing with a 3 nails/sec firing rate and dry-fire lockout. It features a side-loading magazine and tool-less depth adjustment. It is best suited for professional roofers and siding installers who prioritize speed and low weight.

The Dotool CN45C is a lightweight pneumatic 15° coil roofing nailer designed for residential applications, featuring tool-free adjustments for depth and jam release. It offers an ergonomic design and 360° exhaust adjustment, but suffers from specification inconsistencies and a lack of verified performance data. Best for DIY roofers and small contractors needing a versatile tool for siding and shingles.
| Attribute | ![]() | ![]() |
|---|---|---|
1.75 inchesbest | 1.75 inchesbest | |
120 nailsbest | 120 nailsbest | |
120 PSIbest | 120 PSIbest | |
| ↓ lower better | 5.5 lbsbest | 5.6 lbs |
180 nails/minbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Performance(1) | ||
Air Inlet Size | 3/8" | 1/4" |
Ergonomics & Build(4) | ||
Weight (lbs) | 5.5 lbs | 5.6 lbs |
Housing Material | Aluminum | |
Exhaust Adjustment | true | |
Grip Type | Rubber | Ergonomic |
Controls & Adjustments(2) | ||
Actuation Mode | Sequential/Bump | Sequential |
Safety Lockout | true | |
Nail Compatibility & Magazine(3) | ||
Nail Gauge | 11 | 15 |
Collation Type | Coil | Wire |
Nail Type | Full Head | 15 Degree |


Products in the top-left offer the best value (high score, low price).

Professional reviewers praise the Metabo HPT NV45AB2 for its power in driving large nails flush, versatility across roofing and siding tasks, and user-friendly mode switching with LED indicators.
Everyday users commonly praise the lightweight design for reducing fatigue during all-day use and appreciate the quick reloads via the side-load magazine.

Professional reviewer coverage is sparse, with no in-depth tests from major outlets like Pro Tool Reviews. Manufacturer claims emphasize the tool's versatility and durability, specifically highlighting the heat-treated housing for heavy-duty use. One video review exists but lacks transcribed details to extract specific expert opinions.
There are no direct consumer reviews or complaints quoted in the available data. Inferred praise centers on the ease of loading nails and the utility of the shingle guide. Recurring potential issues involve unverified specification mismatches, which could lead to customer dissatisfaction regarding weight and capacity expectations.

Choose the CN45C for reduced fatigue in residential tasks, or Metabo if maximum magazine capacity is critical.